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spyhuntertec: mucking about, trying to get steering wheel to work(it does)

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This commit is contained in:
hap 2016-03-30 18:58:35 +02:00
parent b755be89a6
commit edd133683d
1 changed files with 31 additions and 26 deletions
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57
src/mame/drivers/spyhuntertec.cpp
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@ -31,7 +31,9 @@ class spyhuntertec_state : public driver_device
public:
spyhuntertec_state(const machine_config &mconfig, device_type type, const char *tag)
: driver_device(mconfig, type, tag),
m_maincpu(*this, "maincpu"),
m_audiocpu(*this, "audiocpu"),
m_analog_timer(*this, "analog_timer"),
m_videoram(*this, "videoram"),
m_spriteram(*this, "spriteram"),
m_spriteram2(*this, "spriteram2"),
@ -43,12 +45,17 @@ public:
{ }
required_device<cpu_device> m_maincpu;
required_device<cpu_device> m_audiocpu;
required_device<timer_device> m_analog_timer;
required_shared_ptr<UINT8> m_videoram;
required_shared_ptr<UINT8> m_spriteram;
required_shared_ptr<UINT8> m_spriteram2;
required_shared_ptr<UINT8> m_paletteram;
required_shared_ptr<UINT8> m_spyhunt_alpharam;
required_device<palette_device> m_palette;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
virtual void machine_start() override;
virtual void machine_reset() override;
@ -57,9 +64,6 @@ public:
UINT32 screen_update_spyhuntertec(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect);
required_device<palette_device> m_palette;
required_device<gfxdecode_device> m_gfxdecode;
required_device<screen_device> m_screen;
UINT8 m_spyhunt_sprite_color_mask;
INT16 m_spyhunt_scroll_offset;
@ -98,9 +102,12 @@ public:
TILE_GET_INFO_MEMBER(spyhunt_get_alpha_tile_info);
void mcr3_update_sprites(screen_device &screen, bitmap_ind16 &bitmap, const rectangle &cliprect, int color_mask, int code_xor, int dx, int dy, int interlaced);
TIMER_DEVICE_CALLBACK_MEMBER(analog_shift_callback);
void reset_analog_timer();
int m_analog_read_ready;
int m_analog_latched_value;
UINT8 m_analog_latched_value;
UINT8 m_analog_select;
int m_analog_read_count;
};
@ -115,7 +122,17 @@ READ8_MEMBER(spyhuntertec_state::ay1_porta_r)
return 0;
}
void spyhuntertec_state::reset_analog_timer()
{
// 555 timer? complete guess
m_analog_timer->adjust(attotime::from_nsec(7600));
}
TIMER_DEVICE_CALLBACK_MEMBER(spyhuntertec_state::analog_shift_callback)
{
m_analog_read_count++;
reset_analog_timer();
}
WRITE8_MEMBER(spyhuntertec_state::ay2_porta_w)
{
@ -124,25 +141,17 @@ WRITE8_MEMBER(spyhuntertec_state::ay2_porta_w)
// or 81 / 01
// depending on which sound command was used
// assuming input select
if (data == 0x80)
// d7 falling edge
if (~data & m_analog_select & 0x80)
{
m_analog_read_ready = 1;
m_analog_read_count = 0;
m_analog_latched_value = ioport("PEDAL")->read();
}
else if (data == 0x81)
{
m_analog_read_ready = 1;
m_analog_read_count = 0;
m_analog_latched_value = ioport("PADDLE")->read();
reset_analog_timer();
m_analog_latched_value = ioport((data & 1) ? "PADDLE" : "PEDAL")->read();
}
m_analog_select = data;
}
READ8_MEMBER(spyhuntertec_state::ay2_porta_r)
@ -410,6 +419,7 @@ READ8_MEMBER(spyhuntertec_state::spyhuntertec_in2_r)
*/
// printf("%04x spyhuntertec_in2_r\n", space.device().safe_pc());
UINT8 ret = ioport("IN2")->read()&~0x40;
@ -421,18 +431,12 @@ READ8_MEMBER(spyhuntertec_state::spyhuntertec_in2_r)
m_analog_read_count = 0;
m_analog_read_ready = 0;
}
else
{
// ret |= 0x40;
m_analog_read_count++;
}
}
else
{
ret |= 0x40;
}
// printf("%04x spyhuntertec_in2_r\n", space.device().safe_pc());
return ret;
}
@ -617,7 +621,7 @@ static INPUT_PORTS_START( spyhuntertec )
PORT_START("PEDAL")
PORT_BIT( 0xff, 0x02, IPT_PEDAL ) PORT_MINMAX(0x02,0xff) PORT_SENSITIVITY(100) PORT_KEYDELTA(10) PORT_REVERSE
PORT_START("PADDLE")
PORT_BIT( 0xff, 0x02, IPT_PADDLE ) PORT_MINMAX(0x02,0xff) PORT_SENSITIVITY(40) PORT_KEYDELTA(10) PORT_REVERSE
PORT_BIT( 0x7f, 0x40, IPT_PADDLE ) PORT_MINMAX(0x30,0x50) PORT_SENSITIVITY(40) PORT_KEYDELTA(3) PORT_REVERSE
INPUT_PORTS_END
@ -700,7 +704,8 @@ static MACHINE_CONFIG_START( spyhuntertec, spyhuntertec_state )
MCFG_CPU_ADD("maincpu", Z80, MASTER_CLOCK/4)
MCFG_CPU_PROGRAM_MAP(spyhuntertec_map)
MCFG_CPU_IO_MAP(spyhuntertec_portmap)
MCFG_CPU_VBLANK_INT_DRIVER("screen", spyhuntertec_state, irq0_line_hold)
MCFG_CPU_VBLANK_INT_DRIVER("screen", spyhuntertec_state, irq0_line_hold)
MCFG_TIMER_DRIVER_ADD("analog_timer", spyhuntertec_state, analog_shift_callback)
/* video hardware */
MCFG_SCREEN_ADD("screen", RASTER)